（Python基础教程之二十二）爬虫下载网页视频(videoblob)

  • Z时代
  • 2024-01-10
  • 分类：综合

编程

  1. 打开Chrome Developer工具，然后点击“网络”标签。

  2. 导航到包含视频的页面，然后开始播放。

  3. 将文件列表过滤为“ m3u8”。

  4. 找到master.m3u8或index.m3u8并单击它。

  5. 将文件保存到磁盘并在其中查看。

  6. 如果文件包含一个m3u8主URL，则复制该URL。

  7. 使用ffmpeg 工具下载m3u8视频

ffmpeg -i "https://secure.brightcove.com/services/mobile/streaming/index/rendition.m3u8?assetId=6138283938001&secure=true&videoId=6138277786001" -bsf:a aac_adtstoasc -vcodec copy -c copy -crf 50 6138277786001.mp4

Python下载代码

#!/usr/bin/env python3
import requests,urllib
from bs4 import BeautifulSoup
import os
import subprocess
pwd = os.path.split(os.path.realpath(__file__))[0]
url = "https://www.topgear.com/videos"
headers = {
    "upgrade-insecure-requests": "1",
    "user-agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36",
    "accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8",
    "accept-encoding": "gzip, deflate, br",
    "accept-language": "zh-CN,zh;q=0.9,en;q=0.8",
    "cookie": "has_js=1; minVersion={"experiment":1570672462,"minFlavor":"new_vermi-1.13.7.11.js100"}; minUniq=%7B%22minUID%22%3A%22bb80328a30-e8cdeb4d55-9a314411d2-aff4bb11a6-4aa23e3779%22%7D; minDaily=%7B%22testMode%22%3Atrue%2C%22dailyUser%22%3Atrue%7D; __gads=ID=b6eee23a8df86f72:T=1588041695:S=ALNI_MYCQR1Bf2fq53bqISIZBy8kIgI9oA; minBuffer=%7B%22minAnalytics%22%3A%22%7B%5C%22clicks%5C%22%3A%5B%5D%2C%5C%22clicksDelay%5C%22%3A%5B%5D%7D%22%2C%22_minEE1%22%3A%22%5B%5D%22%7D; minSession=%7B%22minSID%22%3A%227f32fd50ab-88cc4cf6f3-68d284cdee-1faeb65c08-c5966d76ac%22%2C%22minSessionSent%22%3Atrue%2C%22hadImp%22%3Atrue%2C%22sessionUniqs%22%3A%22%7Btime%3A1588053248571%2Clist%3A%5B11206251nt0%5D%7D%22%7D; OptanonConsent=landingPath=NotLandingPage&datestamp=Tue+Apr+28+2020+13%3A55%3A33+GMT%2B0800+(%E4%B8%AD%E5%9B%BD%E6%A0%87%E5%87%86%E6%97%B6%E9%97%B4)&version=3.6.24&AwaitingReconsent=false&groups=1%3A1%2C101%3A0%2C2%3A0%2C0_132429%3A0%2C3%3A0%2C4%3A0%2C0_132431%3A0%2C104%3A0%2C106%3A0%2C111%3A0%2C114%3A0%2C120%3A0%2C124%3A0%2C126%3A0%2C130%3A0%2C133%3A0%2C134%3A0%2C144%3A0%2C145%3A0%2C146%3A0%2C147%3A0%2C150%3A0%2C151%3A0%2C157%3A0%2C162%3A0%2C173%3A0%2C0_126679%3A0%2C0_137695%3A0%2C0_132361%3A0%2C0_132391%3A0; GED_PLAYLIST_ACTIVITY=W3sidSI6Ijh5clQiLCJ0c2wiOjE1ODgwNTMzNDksIm52IjowLCJ1cHQiOjE1ODgwNTMzMzMsImx0IjoxNTg4MDUzMzM3fV0.",
    "cache-control": "no-cache"}
if __name__ == "__main__":
    response = requests.request("GET", url, headers=headers)
    soup = BeautifulSoup(response.text, "html.parser")
    videoId = soup.find_all("video", class_="video-js")[0]["data-video-id"] ##获取视频Id
    title = soup.find_all("h1", class_="video-player__title")[0].contents[0] ##获取视频标题
    url = "https://secure.brightcove.com/services/mobile/streaming/index/master.m3u8?videoId={}&secure=true".format(videoId)  ##生成视频下载Url
    filename = "{}.mp4".format(title).replace(" ","-")
    cmd_str = "ffmpeg -i "" + url + "" " + "-acodec copy -vcodec copy -absf aac_adtstoasc " + pwd + "/" +filename  ##下载视频
    print(cmd_str)
    subprocess.call(cmd_str,shell=True)

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